David E Lares S davidlares

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Backend Developer, Pentesting and InfoSec Student

davidlares / brute_auth.py

Created March 10, 2020 19:41

Basic and Digest Auth Bruteforcer Script (non-optimized) w/ Python

	#!/usr/bin/python

	import requests
	from threading import Thread
	import sys
	import time
	import getopt
	from requests.auth import HTTPDigestAuth

	global hit

davidlares / bypass.py

Created March 13, 2020 16:23

Forwarding traffic through SOCKS server (HTTP protocol Proxy)

	#!/usr/bin/python

	import socks
	import socket
	from urllib.request import urlopen

	if __name__ == "__main__":
	# defining the SOCKS proxy and the host
	socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, "localhost", 9050)
	# performing an request

davidlares / ssl_shell.py

Created March 13, 2020 19:24

A simple Reverse shell script with SSL encryption (Wrapping sockets)

	#!/usr/bin/python

	'''
	The counterpart is done by: ncat --ssl -vlp 8888
	'''

	import os
	import socket
	import ssl # for socket wrapper

davidlares / david.service

Created March 20, 2020 00:30

A basic Linux SystemD-based manifest file for describing OS services

	[Unit]
	Description=Daemon for creating a txt file in a specified user
	After=network.target

	[Service]
	User=root
	ExecStart=/home/david/service_folder/file_creation.sh

	[Install]
	Wantedby=multi-user.target

davidlares / infobox.sh

Last active March 21, 2020 01:20

Displaying Interactive Bash scripts menus with the dialog command

	#!/bin/bash

	# dialog box -> ability to created text-based menus, inputs, textbox -> more graphical
	# apt install dialog

	# global / default values
	INFOBOX=${INFOBOX=dialog}
	TITLE="Default title"
	MESSAGE="Something to say"
	XCOORD=10

davidlares / shortcuts.sh

Created March 21, 2020 01:33

Performing Shell expansions operations in simple isolated examples

	#!/bin/bash

	# shell expansion -> ability to use shortcuts to manage ouputs

	echo sh{ot,ort,oot} # print out a list
	echo st{il, al}l

	# getting the HOME directory
	echo ~

davidlares / signals.sh

Created March 21, 2020 01:37

Handling bash Signals events for program interruptions or a simple kill

	#!/bin/bash

	# traps (look for the ocurrence of something - event, commands, signals -> redirect reaction) and signals

	clear

	# what to do, what is it we are traping
	trap 'echo " - Please Press Q to Exit ..."' SIGINT SIGTERM SIGTSTP # interrupt or simple kill

	while [ "$CHOICE" != "Q" ] && [ "$CHOICE" != "q" ]; do

davidlares / substitution.sh

Last active March 21, 2020 03:25

A simple command substitution example with bash scripting

	#!/bin/bash

	# doing some simple substitution using ``

	TODAYSDATE=`date`
	USERFILES=`find . -user david`

	echo "Today's Date: $TODAYSDATE"
	echo "All files by USER: $USERFILES"

davidlares / file_descriptors.sh

Created March 21, 2020 02:30

Working with bash file-descriptors for file-logging operation purposes.

	#!/bin/bash

	# file descriptors - is a numeric representation of a file to read-write to it - determine how to open it at runtime
	# the number should be >= 3 because 0,1 and 2 are reserved by the OS to stdout, stdin and stderr respectively

	echo "Enter a file"
	read FILE # file variable
	echo "The file is: $FILE"
	# referring to the stream in (read&write mode = <>)
	exec 5<>$FILE

davidlares / exit.sh

Created March 21, 2020 03:24

Intercepting the EXIT command with bash for custom functions w/ trap command

	#!/bin/bash

	# handling EXIT command
	trap 'exitProc' EXIT

	exitProc() {
	echo "Exit instruction intercepted"
	echo "Cleaning files"
	rm -rf first.txt second.txt
	exit 1000